In Yumeko's past, the battle between her sister and aunt for the Jabami name reaches its climax. To love is to deceive; to love is to destroy another's will. Endless risk and despair also make for pleasure, forming the cradle that transforms a young Yumeko into the gambling fiend she is today. And as the story returns to the present, what new stage awaits the students of Hyakkaou Academy...?